Home / 16,421.20-24,624.60-6,557.20

Finding the Fourth Proportional to 16,421.20, 24,624.60 and 6,557.20

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Solution

The fourth proportional to 16,421.20, 24,624.60 and 6,557.20 is: 9,832.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,421.20 : 24,624.60 = 6,557.20 : x
  2. Step 2: Convert to fraction form
    16,421.20/24,624.60 = 6,557.20/x
  3. Step 3: Cross multiply
    16,421.20x = 24,624.60 × 6,557.20
  4. Step 4: Simplify right side
    16,421.20x = 161,468,427.12
  5. Step 5: Solve for x
    x = 161,468,427.12/16,421.20
  6. Step 6: Final answer
    x = 9,832.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.